Home / 9,221,880.80-13,832,821.20-4,428,414.20

Finding the Fourth Proportional to 9,221,880.80, 13,832,821.20 and 4,428,414.20

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Solution

The fourth proportional to 9,221,880.80, 13,832,821.20 and 4,428,414.20 is: 6,642,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,880.80 : 13,832,821.20 = 4,428,414.20 : x
  2. Step 2: Convert to fraction form
    9,221,880.80/13,832,821.20 = 4,428,414.20/x
  3. Step 3: Cross multiply
    9,221,880.80x = 13,832,821.20 × 4,428,414.20
  4. Step 4: Simplify right side
    9,221,880.80x = 61,257,461,828,141.04
  5. Step 5: Solve for x
    x = 61,257,461,828,141.04/9,221,880.80
  6. Step 6: Final answer
    x = 6,642,621.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.